For every operation you can compare to the same time window yesterday and a week ago so you can follow the behavior as your application changes.

你可以和昨天或者一周前的同一时间窗口内的操作进行对比，从中可以观察到应用程序的改进过程。

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Figure 2 displays a broader time window, later in the day, which helps identify regions of availability for users through the United States.

图2显示了一天中稍晚时候的更宽的时间窗，帮助标识整个美国的可用用户区域。

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The size of the time window depends on how quickly trace data is being created.

时间窗口的大小取决于创建跟踪数据的快速程度。

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And here's a little trick -- and again, we promised to point -- out little tricks of the trade -- if I know I want to execute the last command I typed that started with an m, bangm will actually figure out what that command was and redo it for me so I don't have to figure it out, or you can go back in time in a terminal window.

这里有个小技巧--此外，我们许诺指出行业中的,一些小技巧-,如果我知道我想执行我写入的上一个命令,是以m开头的，！m会明白那个命令是什么,然后为我恢复上次操作,所以我不需要明白它，或者你可以回到,那个终端窗口。

哈佛公开课 - 计算机科学课程节选

Both plans aim to improve the primary deficit, with President Obama nearly balancing the budget by the end of the time-window (2022).

FORBES: Fiscal Cliff Should Help Obama And Paul Ryan Find Common Ground On Budget

"During this early time window--the launch period--the initial investment is significantly high, " says Mark Beaumont, who heads sales and marketing for game publisher Capcom .

FORBES: Magazine Article

For instance, HTC Sense introduces a customizable active lockscreen experience that transforms the lockscreen into a real-time window to the most important information and content, such as social updates, photos, weather or stock updates that are viewed by simply turning on the display.

ENGADGET: HTC Sensation 4G official: 1.2GHz dual-core, qHD display, and Sense 3.0